:root {
  color-scheme: dark;
  --background: #101a35;
  --text: #f5f7fc;
  --muted: #bbc6dd;
  --accent: #ffda63;
  --border: #34415e;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
}

.page {
  display: flex;
  flex-direction: column;
  width: min(100% - 4rem, 72rem);
  min-height: 100vh;
  min-height: 100svh;
  margin-inline: auto;
}

.site-header { padding-block: 2rem; }
.brand { font-size: 1.65rem; font-weight: 800; letter-spacing: .13em; }
.brand-dot { color: var(--accent); }

main {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  padding-block: 3.5rem 5rem;
}

.status {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: .65rem;
  padding: .55rem .9rem;
  border: 1px solid var(--border);
  border-radius: 2rem;
  color: var(--muted);
  font-size: .875rem;
  font-weight: 600;
}

.status-dot {
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--accent);
}

h1 {
  margin: 1.6rem 0 1.4rem;
  font-size: clamp(2.4rem, 7vw, 6rem);
  line-height: 1.04;
  font-weight: 750;
  letter-spacing: -.055em;
}

h1 span { color: var(--accent); }
.introduction { margin: 0; color: var(--muted); font-size: clamp(1rem, 2vw, 1.25rem); line-height: 1.8; }
.accent-line { width: 4rem; height: .25rem; margin-top: 2.5rem; background: var(--accent); }

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .6rem 1.5rem;
  padding-block: 1.25rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .8rem;
}

footer p { margin: 0; }

@media (max-width: 480px) {
  .page { width: calc(100% - 2.5rem); }
  .site-header { padding-block: 1.5rem; }
  main { padding-block: 2.5rem 4rem; }
}